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To find the common factors between two numbers, first list out all of their factors and then choose the ones that they have in common.

For example: If your numbers were 36 and 28, you would list out the factors for each:

36| 1, 2, 3, 4, 6, 9, 12, 36

28| 1, 2, 4, 7, 14, 28

The common factors are: 1, 2, & 4

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βˆ™ 13y ago
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βˆ™ 7y ago

The least common factor of any two expressions is 1.

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βˆ™ 14y ago

The least common factor of any two numbers or expressions is always ' 1 '.

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βˆ™ 9y ago

The least common factor of any set of integers is 1.

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Q: How do you find the common factor of two numbers?
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